package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.UserMapper;
import com.heima.user.service.UserService;
import com.heima.utils.common.AppJwtUtil;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.sql.Wrapper;
import java.util.HashMap;
import java.util.Map;

@Service
public class UserServiceImpl extends ServiceImpl<UserMapper, ApUser> implements UserService {
	@Override
	public ResponseResult login(LoginDto loginDto) {
		//1、正常用户登录（手机号加密码）
		if (!(StringUtils.isBlank(loginDto.getPhone()) && StringUtils.isBlank(loginDto.getPassword()))) {
			//1.1 检查手机号是否存在
			ApUser apUser = getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, loginDto.getPhone()));
			if (apUser == null) {
				return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户不存在");
			}
			//1.2 对比密码是否正确
			String salt = apUser.getSalt();
			String password = loginDto.getPassword();
			password = DigestUtils.md5DigestAsHex((password+salt).getBytes());
			if (!password.equals(apUser.getPassword())) {
				return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
			}
			//1.3 返回数据jwt
			Map<String, Object> map = new HashMap<>();
			map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
			apUser.setSalt("");
			apUser.setPassword("");
			map.put("user", apUser);
			return ResponseResult.okResult(map);
		}
		//2. 游客模式登录，同样返回token，id=0
		Map<String, Object> map = new HashMap<>();
		map.put("token", AppJwtUtil.getToken(0l));
		return ResponseResult.okResult(map);
	}
}